15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 1 Double the Impact with Half the Work: Linking MedDRA and WHO Drug Indication coding George B. Stoms Vital Systems, Inc. (847) x222

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 2 Before we begin… It’s easy to forget the purpose of our efforts…

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 3 Before we begin… Or to keep doing and doing and doing what used to work…

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 4 The Life Span of Clinical Data (e)CRF Coding Pharmacovigilance Licensing Due Diligence Revised Label ISS/ISE Data Warehouse New Indications

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 5 FINDINGSINTERVENTIONS Clinical Data Domains SDTM IG EVENTS OTHER (Special Purpose, Trial Design, Relationship) SUPPQUAL*RELREC SU CM EXDSAE MH EG IE SC DV QS MB PC LB VS DMCO CE CF DA MSPP SESVTATSTVTETI

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 6 The Coding Domains CMMH Key Variables STUDYID DOMAIN USUBJID AESEQ – Together, these variables for a “KEY”: an identifier that locates a unique record “address” AE KEY VARIABLES

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 7 The Coding Domains CMMHAE Timing Variables ISO 8601 format (allows levels of precision) AESTDTC & AEENDTC –Event Start & Stop Date AEDUR –present only if recorded on CRF, blank if derived AESTDY & AEENDY –Study Day, non-zero, derived from DM:RFSTDTC AESTRF & AEENRF –Gross timeframe relative to a reference date range. –Allowable values: BEFORE, COINCIDENT, UNKNOWN, or AFTER * KEY VARIABLES TIMING

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 8 The Coding Domains CMMH Grouping Variables –used for grouping within the domain AEGRPID Grouping within subject AECAT, AESCAT Grouping across subjects AE KEY VARIABLES TIMINGGROUPING

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 9 The Coding Domains CMMH Topic Variables AETERM verbatim AEMODIFYsponsor terminology AEDECODdictionary preferred term AEBODSYSdictionary body system AESERY if serious, requires one or more reasons in AESCONG, AESDISAB, AESDTH, AESHOSP, AESLIFE, or AESMIE (other medically important serious medical event) – if Y, requires additional categories in the domain SUPPQUAL or SUPPAE AEOCCURY if data “should be” solicited by prompt to subject AEPRESPY if pre-specified list on CRF AESTATif pre-specified list, was question asked of subject AEREASNDreason if prompt was not asked AE KEY VARIABLES TIMINGGROUPINGTOPIC

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 10 The Coding Domains MHAE KEY VARIABLES CM Key Variables STUDYID DOMAIN USUBJID CMSEQ – Together, these variables for a “KEY”: an identifier that locates a unique record “address”

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 11 The Coding Domains MHAECM KEY VARIABLES TIMING Timing Variables ISO 8601 format (allows levels of precision) CMSTDTC & CMENDTC –Medication Start & Stop Date CMDUR –present only if recorded on CRF, blank if derived CMSTDY & CMENDY –Study Day, non-zero, derived from DM:RFSTDTC CMSTRF & CMENRF –Gross timeframe relative to a reference date range. –Allowable values: BEFORE, COINCIDENT, UNKNOWN, or AFTER *

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 12 The Coding Domains MHAECM KEY VARIABLES TIMINGDOSING Dosing Variables CMDOSEdose without units (eg: 200) CMDOSTX dose range without units (eg: ) CMDOSU units (eg: mg) CMDOSFRM dose form (eg: TAB) CMDOSFRQ dose frequency (eg: BID) CMDOSTOT total daily dose without units, in same units CMROUTE dose route (eg: ORAL) CMDOSRGM dose regiment / schedule

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 13 The Coding Domains MHAECM KEY VARIABLES TIMINGDOSINGTOPIC Topic Variables CMTRT verbatim CMMODIFYsponsor terminology CMDECODdictionary preferred term CMCLASdictionary class value CMCLASCDdictionary class code (or MULTIPLE) CMOCCURY if data “should be” solicited by prompt to subject CMPRESPY if pre-specified list on CRF CMSTATif pre-specified list, was question asked of subject CMREASNDreason if prompt was not asked CMINDC indication should match AETERM, AEMODIFY or AEDECOD

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 14 Coding Dictionaries & Strategies CMAEMH EVENTSDRUGS Preferred Term SOC Preferred Name ATC Anatomical –The organ or system on which a drug acts Therapeutic (& Pharmacological) –Indication for typical use(s) –Pharmacological Form Chemical –Compound structure and properties … Indication?

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 15 Coding Dictionaries & Strategies CM EVENTSDRUGS Preferred Term SOC Preferred Name ATC … Indication? Possible reasons for use: 1.Medical History 2.Adverse / Clinical Event 3.Prophylaxis 4.Recreational AEMH

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 16 CM Coding to ATC… CRF CM WHO Drug (version) CMDECOD DrugCode CMCLAS ATC #2? ATC #1? ATC #3? Medications in a given Drug Class

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 17 CDISC SDTM: ATC codes Implementation Guide –“CMDECOD with the drug’s generic name, and CMCLAS with the drug class only if the dictionary used codes drugs to a single class. When using WHODRUG, for example, CMCLAS would not be filled since a drug may have multiple classes.” –“Use only when the dictionary used codes to a single class. If using a dictionary that allows links to multiple classes, then omit CMCLAS from the dataset. For example, sponsors who use WHO Drug, which allows links from a medication to multiple ATC codes, would not include CMCLAS.” Implementation Guide –“CMDECOD with the drug's generic name, and CMCLAS with the drug class used for the sponsor’s analysis and summary tables. If coding to multiple classes, follow assumption or omit CMCLAS.” “By knowing the dictionary and version used, the reviewer will be able to obtain intermediate levels in a hierarchy (as in MedDRA), or a drug’s ATC codes (as in WHO Drug). The dictionary version should be listed in the Comments column of the Define data Definition document.”

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 18 CM Coding to ATC… CRF CM CRF MH CRF AE MedDRA (version) WHO Drug (version) Related Record CMDECOD DrugCode CMCLAS PT LLT SOC Meaningful Grouping Medications taken for…

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 19 Related Records Domain Key Variables RDOMAIN USUBJID IDVAR IDVARVAL RELTYPE RELID How does RELREC Work? Relationships require at least two records for related domains (N for # of domains) Records with the same RELID are related across two or more domains. Multiple records may be related within each domain (eg: two meds for one AE) Can also be used to link to other/multiple domains (eg: AE-LAB-CM, for PK: PP-PC) RELREC

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 20 Related Records Domain RELREC 4 10CMSEQ1001CMXX-USA AESEQ1001AEXX-USA AESEQ1001AEXX-USA-01 RELIDRELTYPEIDVARVALIDVARUSUBJIDRDOMAINSTUDYID 1 4CMSEQ1001CMXX-USA AESEQ1001AEXX-USA CMSEQ1001CMXX-USA AESEQ1001AEXX-USA CMSEQ1001CMXX-USA CMSEQ1001CMXX-USA AESEQ1001AEXX-USA-01

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 21 Double the impact with half the work! Now… What will you do with all of your spare time???

15th Informal US MedDRA User Group Meeting, October 28, 2011 Slide 22 References CDISC Implementation Guide, IG v3.1.2 Relationships Between CDISC Variables Linking Domains (RELREC), Susan Fehrer and Russ Lavery, 2007 NESUG A Special SDTM Domain RELREC and its Application Changhong Shi and Beilei Xu 2011 PharmaSUG